rust/tests/ui/lint/lint-uppercase-variables.rs
2023-01-11 09:32:08 +00:00

42 lines
1.1 KiB
Rust

#![warn(unused)]
#![allow(dead_code)]
#![deny(non_snake_case)]
mod foo {
pub enum Foo { Foo }
}
struct Something {
X: usize //~ ERROR structure field `X` should have a snake case name
}
fn test(Xx: usize) { //~ ERROR variable `Xx` should have a snake case name
println!("{}", Xx);
}
fn main() {
let Test: usize = 0; //~ ERROR variable `Test` should have a snake case name
println!("{}", Test);
match foo::Foo::Foo {
Foo => {}
//~^ ERROR variable `Foo` should have a snake case name
//~^^ WARN `Foo` is named the same as one of the variants of the type `foo::Foo`
//~^^^ WARN unused variable: `Foo`
}
let Foo = foo::Foo::Foo;
//~^ ERROR variable `Foo` should have a snake case name
//~^^ WARN `Foo` is named the same as one of the variants of the type `foo::Foo`
//~^^^ WARN unused variable: `Foo`
fn in_param(Foo: foo::Foo) {}
//~^ ERROR variable `Foo` should have a snake case name
//~^^ WARN `Foo` is named the same as one of the variants of the type `foo::Foo`
//~^^^ WARN unused variable: `Foo`
test(1);
let _ = Something { X: 0 };
}